Hi Cindy, kernel test robot noticed the following build warnings: [auto build test WARNING on mst-vhost/linux-next] [also build test WARNING on linus/master v6.12-rc1 next-20241004] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Cindy-Lu/vhost-Add-a-new-modparam-to-allow-userspace-select-vhost_task/20241004-100307 base: https://git.kernel.org/pub/scm/linux/kernel/git/mst/vhost.git linux-next patch link: https://lore.kernel.org/r/20241004015937.2286459-2-lulu%40redhat.com patch subject: [PATCH v2 1/7] vhost: Add a new modparam to allow userspace select vhost_task config: x86_64-randconfig-122-20241005 (https://download.01.org/0day-ci/archive/20241005/202410052351.1dCg9uLx-lkp@xxxxxxxxx/config) compiler: clang version 18.1.8 (https://github.com/llvm/llvm-project 3b5b5c1ec4a3095ab096dd780e84d7ab81f3d7ff) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241005/202410052351.1dCg9uLx-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202410052351.1dCg9uLx-lkp@xxxxxxxxx/ sparse warnings: (new ones prefixed by >>) >> drivers/vhost/vhost.c:44:6: sparse: sparse: symbol 'enforce_inherit_owner' was not declared. Should it be static? drivers/vhost/vhost.c:1899:54: sparse: sparse: self-comparison always evaluates to false drivers/vhost/vhost.c:1900:54: sparse: sparse: self-comparison always evaluates to false drivers/vhost/vhost.c:1901:55: sparse: sparse: self-comparison always evaluates to false drivers/vhost/vhost.c:2156:46: sparse: sparse: self-comparison always evaluates to false drivers/vhost/vhost.c:2236:48: sparse: sparse: self-comparison always evaluates to false drivers/vhost/vhost.c: note: in included file (through include/linux/wait.h, include/linux/eventfd.h): include/linux/list.h:83:21: sparse: sparse: self-comparison always evaluates to true vim +/enforce_inherit_owner +44 drivers/vhost/vhost.c 35 36 static ushort max_mem_regions = 64; 37 module_param(max_mem_regions, ushort, 0444); 38 MODULE_PARM_DESC(max_mem_regions, 39 "Maximum number of memory regions in memory map. (default: 64)"); 40 static int max_iotlb_entries = 2048; 41 module_param(max_iotlb_entries, int, 0444); 42 MODULE_PARM_DESC(max_iotlb_entries, 43 "Maximum number of iotlb entries. (default: 2048)"); > 44 bool enforce_inherit_owner = true; 45 module_param(enforce_inherit_owner, bool, 0444); 46 MODULE_PARM_DESC(enforce_inherit_owner, 47 "enforce vhost use vhost_task(default: Y)"); 48 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
